THE CHOICE
IS CLEAR!

Trusted by homeowners. Chosen by professionals.

SLJ Windows & Doors

Premier manufacturer, supplier and installer
of bespoke windows, doors and cladding

Windows

High-quality windows, manufactured to spec with excellent performance and a clean finish.

Doors

Secure, robust door systems with precision fitting and a premium look and feel.

Cladding & Fascias

Durable cladding and trim solutions, finished to a consistently high standard.

About Us

Based in Aberdeenshire, SLJ Windows & Doors is a trusted manufacturer and installer serving both residential and commercial clients. We pride ourselves on quality craftsmanship, attention to detail and a hands-on approach from design through to installation.

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Our Work

View our latest work by browsing our project gallery

Windows

A brief description.

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Doors

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Aluminium

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Commercial & Residential

From private homes to commercial developments, we deliver high-quality window and door solutions tailored to each project. We work closely with homeowners, architects and contractors to ensure every detail meets specification, budget and timescale.

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What Our Customers Say

Through every step of the process we
work hand in hand with our customers

★★★★★

Brilliant service from start to finish. The team were tidy, punctual, and the finish is flawless. The new windows have made a huge difference to warmth and noise.

JAMIE R.

★★★★★

We went for a bespoke front door and it looks incredible. Communication was clear throughout and everything was measured and fitted with real attention to detail.

LAURA M.

★★★★★

Top quality workmanship. Our cladding and trims are spot-on and the whole house looks sharper. Really impressed by how well everything was finished off.

KIRSTY S.

★★★★★

Fast turnaround and great value. The install team were friendly and careful around the garden and interiors, and the new patio doors glide perfectly.

ANDREW T.

★★★★★

Couldn’t fault them. Accurate measurements, clean install, and a premium finish. We’ve already recommended SLJ to friends and family.

SARAH G.

Workshop

All of our windows, doors and aluminium systems are manufactured in our dedicated workshop. This hands-on approach allows us to maintain exceptional quality control, offer true customisation, and deliver consistent results from concept to installation.

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